package com.bennu.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;


@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    /**
     * 异常处理
     * name重复异常处理
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error( ex.getMessage() );
        if ( ex.getMessage().contains( "Duplicate entry" ) ){
            String[] split = ex.getMessage().split( " " );
            String msg = split[2]+"已存在";
            return R.error( msg );
        }
        return R.error( "未知错误" );
    }
    /**
     * 异常处理
     * 删除分类时有菜品在分类中抛出异常
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> CustomException(CustomException ex){
        log.error( ex.getMessage() );

        return R.error( ex.getMessage() );
    }
}
